wip: email sync via imap with status tracking and auto cron

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/servers/sidecar/email-cron.ts

@@ -0,0 +1,56 @@
+import { getAllSyncedAccounts, getUserById } from 'officerdb';
+import * as queueRunner from './queue-runner';
+
+const INTERVAL_MS = 10 * 60 * 1000; // 10 minutes
+
+let timer: ReturnType<typeof setInterval> | null = null;
+
+async function tick() {
+  try {
+    const accounts = await getAllSyncedAccounts();
+    if (accounts.length === 0) return;
+
+    const allJobs = await queueRunner.listAllJobs();
+    const activeEmailSyncIds = new Set(
+      allJobs
+        .filter((j) => j.type === 'email-sync' && (j.status === 'queued' || j.status === 'running'))
+        .map((j) => (j.meta as Record<string, unknown> | undefined)?.emailAccountId),
+    );
+
+    for (const account of accounts) {
+      if (activeEmailSyncIds.has(account.id)) continue;
+
+      const user = await getUserById(account.userId);
+      if (!user) continue;
+
+      try {
+        await queueRunner.enqueue({
+          lane: 'email',
+          type: 'email-sync',
+          userId: user.email,
+          meta: { emailAccountId: account.id },
+        });
+        console.log(`[email-cron] Enqueued incremental sync for ${account.email}`);
+      } catch (err) {
+        console.error(`[email-cron] Failed to enqueue sync for ${account.email}:`, err instanceof Error ? err.message : err);
+      }
+    }
+  } catch (err) {
+    console.error('[email-cron] Error:', err instanceof Error ? err.message : err);
+  }
+}
+
+export function initEmailCron() {
+  if (timer) return;
+  console.log(`[email-cron] Starting email sync cron (every ${INTERVAL_MS / 60_000} min)`);
+  timer = setInterval(tick, INTERVAL_MS);
+  // Run first tick after a short delay to let the queue initialize
+  setTimeout(tick, 30_000);
+}
+
+export function stopEmailCron() {
+  if (timer) {
+    clearInterval(timer);
+    timer = null;
+  }
+}